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HeritageSouth-Facing

Celtic Forest 1

Dulux

The Analysis

Celtic Forest 1 is a muted, earthy olive that absorbs a significant amount of light due to its low LRV of 20.06. Because it reflects so little light, it will make a room feel smaller and more enclosed, effectively 'shrinking' the space to create a cozy, cave-like atmosphere.

This shade works best as an accent wall or a 'drenched' colour for a library or study where you want to lean into a moody aesthetic. It is too dark to serve as a standard neutral backdrop for a whole-house scheme unless you are specifically aiming for a dramatic, high-contrast look.

LRV 20

History & Origin

This colour leans heavily into a Heritage aesthetic, reminiscent of the heavy, masculine interiors of Victorian or Edwardian studies. It offers a classic, established feel that avoids looking like a modern trend.

Undertonewarm-green
FamilyYellow

How to Use It

Pair this with rich walnut or dark oak wood tones to play up its organic roots, and use brushed brass hardware to add a touch of warmth. It is best suited for rooms where you want a sense of retreat, such as a home office, a den, or a bedroom.

The Mood

Living with this colour feels grounding and remarkably restful. It avoids the agitation of bright, vibrant tones, instead providing a steady, quiet environment that feels stable and connected to nature.

Colour harmonies

Complementary

Opposite on the colour wheel — bold, high-contrast pairings. Use for a feature wall or furniture you want to command attention.

Analogous

Neighbouring hues — cohesive and calm, great for layered schemes that feel collected rather than matched.

Split complementary

Near-opposites for strong contrast with a little less tension than a pure complement. A favourite of interior designers.

Triadic

Three evenly spaced hues — balanced, vibrant, and versatile. Keep one dominant and use the others sparingly.

Tetradic (square)

Four hues in a square on the wheel — rich, dynamic palettes. Best when one colour leads and the others accent.

Monochromatic

Dark, mid, and light steps on the same hue — a failsafe gradient for trim, walls, and accents without shifting colour family.

Brand Matches

Perceptually similar colours from across all brands in our database.

  • Edamame

    Sherwin-Williams · SW7729

  • Meadowland

    Behr · HDC-AC-17

  • Seaweed Salad

    Behr · S370-6

  • Chopped Dill

    Benjamin Moore · 496

  • Autumn Grove

    Valspar · 8003-27E

  • Taffeta Sheen 0416

    Colourtrend

Lighting

See how this colour shifts across natural and artificial light conditions.

  • Natural
  • Morning
  • Afternoon
  • Evening
  • Overcast
  • 2700K
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